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Rails: confused about syntax for passing locals to partials
Understanding Rails "magic" with regards to rendering partials (and passing locals into them).
4 Answers
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What is the difference between MOV and LEA?
...ective Address
MOV means Load Value
In short, LEA loads a pointer to the item you're addressing whereas MOV loads the actual value at that address.
The purpose of LEA is to allow one to perform a non-trivial address calculation and store the result [for later usage]
LEA ax, [BP+SI+5] ; Compute a...
Setting git parent pointer to a different parent
If I have a commit in the past that points to one parent, but I want to change the parent that it points to, how would I go about doing that?
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Export CSS changes from inspector (webkit, firebug, etc)
When I'm working with CSS, I'll often test in a browser - say, Chrome - right click an element, click Inspect Element, and edit the CSS right there. The use of arrow keys to change things like margin and padding makes lining things up super easy.
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How do I run a Node.js application as its own process?
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2016 answer: nearly every Linux distribution comes with systemd, which means forever, monit, PM2, etc. are no longer necessary - your OS already handles these tasks.
Make a myapp.service file (replacing 'myapp' with your app's name, obviously):
[Unit]
Description=My app
[Se...
Controlling a USB power supply (on/off) with Linux
Is it possible to turn on/off power supplies from USB manually with Linux?
10 Answers
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PHP mkdir: Permission denied problem
I am trying to create a directory with PHP mkdir function but I get an error as follows: Warning: mkdir() [function.mkdir]: Permission denied in ... . How to settle down the problem?
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UTF-8, UTF-16, and UTF-32
...F-8 has an advantage in the case where ASCII characters represent the majority of characters in a block of text, because UTF-8 encodes these into 8 bits (like ASCII). It is also advantageous in that a UTF-8 file containing only ASCII characters has the same encoding as an ASCII file.
UTF-16 is bett...
CSS to make HTML page footer stay at bottom of the page with a minimum height, but not overlap the p
...www.workingstorage.com/Sample.htm ) that has a footer which I can't make sit at the bottom of the page.
29 Answers
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Can someone explain the dollar sign in Javascript?
...e looks like to me) tend to prefix variables that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, integers.
The dollar sign function $() in jQuery is a library function that is frequently used, so a short name is desirable.
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